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标题: PDSH 857 Rivets for electrical and mechanical connections [打印本页]
作者: 小米    时间: 2012-9-17 14:11
标题: PDSH 857 Rivets for electrical and mechanical connections
PDSH 857
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7 C! S# w6 X* B4 b. z4 l' B; i- X		Rivets for electrical and mechanical connections
0 `7 L, e1 R1 k# q		4.11.3 – 7.2.4
4 n  }5 o! l4 t		60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)
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& u, m& I, |' ]7 [! S, iStandard(s):
& E; p9 F2 ]0 [  p) v( pIEC 60598-1 All editions
8 e' Z$ x% B3 b6 C" w9 xSubclause(s): 4.11.3 – 7.2.4: V* l6 H& |/ K  t% ]3 G, g/ `
No. Year PDSH 0857 20101 ~4 X, Q/ l- R6 Q/ v* K+ {( D
Category: LITE Developed by: ETF5 OSM/LUM
1 I3 t6 }5 |% @  CSubject:
0 v- u! w8 |# `- KRivets for electrical and mechanical connections
& `- o9 r' |# y) ?- `( k. GKey words:6 I7 U" C$ ~& @+ D9 C
- Rivets7 O2 Z2 e- x& [0 s! e/ f2 e
- Earthing connections
0 R2 @% c9 G- I2 q6 Y. W- Accidental loosening
3 k6 K" U' d. ZTo be approved at the 49th CTL Plenary Meeting, in 2012
5 R2 K+ E, J2 S4 J5 {& RQuestion:
! ]: G  M) ?+ A; _3 ~Should the rivets that serve as electrical as well as mechanical connections be protected against loosening
, E( ]1 n' Q# L) J% aeven if they are not subject to torsion effect in normal use (e.g. rivets intended to fix ballasts).* ?0 ?) g$ f5 c4 D, B# X* d
Decision:3 E5 I4 X$ {$ U( q" B: {
It was agreed that earthing connections shall be adequately locked against accidental loosening, either by:
/ x! t- K- E( a# @& o- at least one screw with a spring washer, or one rivet with no circular shape;
5 G- l0 a2 w, s( q& I! s* h" x- b- two rivets in case of circular shank according to sub-clause 4.11.3 of IEC 60598-1.$ V- }# l& ^) M6 Q3 ~/ J
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